could the glamorous and formidable queen of american fashion be president obama's next big ambassador abroad? >>> and good evening. tonight, we have the news that american home owners have been waiting to hear. the price of the family house is roaring back to life. home prices up more than 6% across the country, and that's the biggest jump in six years. abc's david muir is here to tell us what's ahead and which markets are causing the big stir tonight. david? >> diane, we've been waiting to see a result like this. a jump for years now tracking the housing crisis since it started following families, entire neighborhoods as they waited for a rebound. and today, when we went back to one street, one of the hardest hit in america, we couldn't believe the turnaround. call it an early christmas gift for millions of americans who own homes. tonight, new signs home values are finally on the rise again. the biggest spike, in arizona where home prices are up more than 21%. >> and this is cortis street. >> reporter: perhaps you'll remember our drive through that neighborhood outside phoenix, it w